Triode composition constant-current winding type auto-control preheating burner

Abstract

The invention discloses a triode composition constant-current winding type auto-control preheating burner, which comprises a burner main body, wherein a mixing chamber and a combustion chamber are arranged in the inner part of the burner main body; the tail end of the burner main body is provided with a gas pipeline communicated with the mixing chamber; a gas valve is arranged on the gas pipeline; an annular air duct is further arranged on the inner wall of the burner main body; the air duct is communicated with the mixing chamber; a separator for separating the air duct from the gas pipeline is further arranged between the air duct and the gas pipeline; a spacer ring is further arranged between the mixing chamber and the combustion chamber; an air inlet structure is further arranged on the air duct; a control motor connected with the air inlet structure as well as a control box connected with the control motor are further arranged at the outer side of the burner main body; the control box is further internally provided with a temperature feedback control circuit and a triode composition constant-current circuit which are mutually connected in series. The triode composition constant-current winding type auto-control preheating burner provided by the invention can better promote the sufficient combustion of gas, and at the same time can make further utilization of heat of combustion of the gas, and thus, loss of the heat is reduced.

Description

technical field [0001] The invention relates to a burner, in particular to a triode combined steady flow winding type automatic control preheating burner used in a carbon roasting furnace. Background technique [0002] At present, the burners used in domestic carbon anode roasters are mostly old-fashioned air distribution direct injection burners. The air distribution of this kind of burner is manually controlled. Due to the influence of the operator's skills, it will make the air distribution of this burner difficult to control. The air intake volume does not match the gas input volume, which will often cause insufficient combustion in the fire channel. or partial overheating. When the combustion is not sufficient, the gas with a lower temperature is equivalent to blowing cold air into the furnace, and at the same time, the uncontrolled mechanical air door continuously sucks in cold air into the furnace under the action of negative pressure in the furnace. Under these dua...

AI Technical Summary

Problems solved by technology

The air distribution of this kind of burner is manually controlled. Due to the influence of the operator's skills, it will make the air distribution of this burner difficult to control. The air intake volume does not match the gas input volume, which will often cause insufficient combustion in the fire channel. or partial burn

When the combustion is not sufficient, the gas with a lower temperature is equivalent to blowing cold air into the furnace, and at the same time, the uncontrolled mechanical air door continuously sucks in cold air into the furnace under the action of negative pressure in the furnace. Under these dual effects, the thermal efficiency of the gas is low, the furnace temperature fluctuates greatly, and it is difficult to control

Then a large amount of gas is wasted, the production efficiency is reduced, and the production cost of the anode remains high

At the same time, the gas will generate a very high temperature after combustion, but these temperatures cannot be fully utilized, and a large part of the heat will be wasted in vain, so these burners also have the disadvantage of not being able to fully utilize the heat. defect

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